Paper
9 June 2006 Remarkable laser beams formed by computer-generated optical elements: properties and applications
V. A. Soifer, V. V. Kotlyar, S. N. Khonina, R. V. Skidanov
Author Affiliations +
Proceedings Volume 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information; 62521B (2006) https://doi.org/10.1117/12.677054
Event: Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 2005, Varna, Bulgaria
Abstract
We deduce and study an analytical expression for Fresnel diffraction of a plane wave by a spiral phase plate (SPP) with an arbitrary-order phase singularity and an analytical expression for far-field diffraction of the Gaussian beam by a SSP with n-th order. The SPP was implemented as a 32-level "helical" microrelief on a low-contrast resist using an electron beam. Experiments of diffraction of the Gaussian beam by SPPs with the second-order singularity and of trapping polystyrene beads using computer-generated optical elements are discussed.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
V. A. Soifer, V. V. Kotlyar, S. N. Khonina, and R. V. Skidanov "Remarkable laser beams formed by computer-generated optical elements: properties and applications", Proc. SPIE 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 62521B (9 June 2006); https://doi.org/10.1117/12.677054
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Cited by 2 scholarly publications.
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KEYWORDS
Spiral phase plates

Diffraction

Gaussian beams

Optical components

Bessel functions

Near field diffraction

Far-field diffraction

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